{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333553",
    "entityType": "User",
    "nonce": "0x29e9f32b3f9da6051c1193351ed73198d462c4f830bc1bed684e7b66ee3a6bb3",
    "signature": "0xecebd87c422f5341cf6d092722056319a61aa8389e7ccb1206a6ad3d3976a4ee5239fc363bf33bf1e28ba88628e1048778f330ba8a3d9198f4a5dbe651a5fd911b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}